Effect of zirconia frame thickness on fracture toughness of veneer porcelain

Momoko Kudo; Shoko Miura; Masafumi Kikuchi; Ryoichi Inagaki; Joonho Cho; Keiichi Sasaki; Masanobu Yoda

doi:10.1007/978-4-431-54070-0_78

Effect of zirconia frame thickness on fracture toughness of veneer porcelain

Momoko Kudo, Shoko Miura, Masafumi Kikuchi, Ryoichi Inagaki, Joonho Cho, Keiichi Sasaki, Masanobu Yoda

DEN - Graduate School of Dentistry (department affiliation only)

Tohoku University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

This review article focused on the influence of the zirconia thickness on the strength of the veneer porcelain, which was evaluated with a fracture toughness test according to JIS R 1607. The veneer porcelains for the zirconia all-ceramic crown were fired on two different thicknesses (0.4 mm and 0.8 mm) of zirconia frames (ZAC). As the controls, veneer porcelains fired on metal frames for porcelain fused to metal crown (PFM) were used. The fracture toughness value evaluated by measuring the extent of cracking associated with a Vickers indentation on the veneer porcelain part was significantly larger at the points of 1.5 mm in 0.4 mm thickness frame of ZAC samples compared with in the 0.8 mm frame.

Original language	English
Title of host publication	Interface Oral Health Science 2011
Publisher	Springer Japan
Pages	268-270
Number of pages	3
ISBN (Electronic)	9784431540700
ISBN (Print)	9784431540694
DOIs	https://doi.org/10.1007/978-4-431-54070-0_78
Publication status	Published - 2012 Jan 1

Keywords

Fracture toughness
Veneer porcelain
Vickers indentation
Y-TZP
Zirconia all-ceramic

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10.1007/978-4-431-54070-0_78

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title = "Effect of zirconia frame thickness on fracture toughness of veneer porcelain",

abstract = "This review article focused on the influence of the zirconia thickness on the strength of the veneer porcelain, which was evaluated with a fracture toughness test according to JIS R 1607. The veneer porcelains for the zirconia all-ceramic crown were fired on two different thicknesses (0.4 mm and 0.8 mm) of zirconia frames (ZAC). As the controls, veneer porcelains fired on metal frames for porcelain fused to metal crown (PFM) were used. The fracture toughness value evaluated by measuring the extent of cracking associated with a Vickers indentation on the veneer porcelain part was significantly larger at the points of 1.5 mm in 0.4 mm thickness frame of ZAC samples compared with in the 0.8 mm frame.",

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author = "Momoko Kudo and Shoko Miura and Masafumi Kikuchi and Ryoichi Inagaki and Joonho Cho and Keiichi Sasaki and Masanobu Yoda",

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AU - Kudo, Momoko

AU - Miura, Shoko

AU - Kikuchi, Masafumi

AU - Inagaki, Ryoichi

AU - Cho, Joonho

AU - Sasaki, Keiichi

AU - Yoda, Masanobu

N1 - Publisher Copyright: © Springer 2012.

PY - 2012/1/1

Y1 - 2012/1/1

N2 - This review article focused on the influence of the zirconia thickness on the strength of the veneer porcelain, which was evaluated with a fracture toughness test according to JIS R 1607. The veneer porcelains for the zirconia all-ceramic crown were fired on two different thicknesses (0.4 mm and 0.8 mm) of zirconia frames (ZAC). As the controls, veneer porcelains fired on metal frames for porcelain fused to metal crown (PFM) were used. The fracture toughness value evaluated by measuring the extent of cracking associated with a Vickers indentation on the veneer porcelain part was significantly larger at the points of 1.5 mm in 0.4 mm thickness frame of ZAC samples compared with in the 0.8 mm frame.

AB - This review article focused on the influence of the zirconia thickness on the strength of the veneer porcelain, which was evaluated with a fracture toughness test according to JIS R 1607. The veneer porcelains for the zirconia all-ceramic crown were fired on two different thicknesses (0.4 mm and 0.8 mm) of zirconia frames (ZAC). As the controls, veneer porcelains fired on metal frames for porcelain fused to metal crown (PFM) were used. The fracture toughness value evaluated by measuring the extent of cracking associated with a Vickers indentation on the veneer porcelain part was significantly larger at the points of 1.5 mm in 0.4 mm thickness frame of ZAC samples compared with in the 0.8 mm frame.

KW - Fracture toughness

KW - Veneer porcelain

KW - Vickers indentation

KW - Y-TZP

KW - Zirconia all-ceramic

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SP - 268

EP - 270

BT - Interface Oral Health Science 2011

PB - Springer Japan

ER -

Effect of zirconia frame thickness on fracture toughness of veneer porcelain

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Keywords

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